William Joseph Wegrzyn Jr., DMD
- Part D claims, 2024
- 254
- Industry payments
- $14
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 391 Montgomery St, Chicopee, MA 01020-1929
- Practice phone
- Call (413) 592-8099
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wegrzyn Dental Group
Dental practice · Chicopee, Massachusetts
Find William Wegrzyn's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William Joseph Wegrzyn Jr. is a general practice dentistry in Westfield, Massachusetts
William Wegrzyn practices at Wegrzyn Dental Group in Chicopee, Massachusetts.
William Wegrzyn's NPI, 1306967328, was assigned on April 3, 2007. William Wegrzyn holds Massachusetts license 18137.
- NPI
- 1306967328NPI Registry (opens in a new tab)
- NPI enumeration date
- April 3, 2007
- NPI status
- Active
- Practice phone
- (413) 592-8099
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Joseph Wegrzyn Jr. practices in Chicopee and Westfield
William Wegrzyn's primary practice is Wegrzyn Dental Group, at 391 Montgomery St, Chicopee, MA 01020-1929. The practice phone is (413) 592-8099. The NPI Registry lists William Wegrzyn's practice address as 115 W Silver St, Westfield, MA 01085.
- Wegrzyn Dental GroupPrimary391 Montgomery St, Chicopee, MA 01020-1929Phone(413) 592-8099
- NPI Registry address115 W Silver St, Westfield, MA 01085 · Hampden County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
William Joseph Wegrzyn Jr. is affiliated with 1 site of care and 1 medical group
William Wegrzyn's primary practice is Wegrzyn Dental Group in Chicopee, Massachusetts. Dmand AI also links William Wegrzyn to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at William Joseph Wegrzyn Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Wegrzyn practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wegrzyn Dental Group | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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William Joseph Wegrzyn Jr. is one of 1,941 general practice dentistrys in Massachusetts
General practice is William Wegrzyn's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. William Wegrzyn is licensed in Massachusetts.
Specialties and state licenses
- General practice dentistry, MassachusettsPrimary
General practice dentistrys near William Wegrzyn
Counts of general practice dentistrys with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
William Joseph Wegrzyn Jr.'s patients have a median age of 19
Across all payers, Dmand AI patient panel data puts William Wegrzyn's median patient age at 19, with 50% women.
William Wegrzyn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 19
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
William Joseph Wegrzyn Jr. wrote 254 Medicare Part D claims in 2024
In 2024, William Wegrzyn wrote 254 Medicare Part D claims for 147 patients. 94% of them were for generic drugs.
William Wegrzyn's Part D claims by kind of drug, 2024
- Generic238 claims94%
- Other16 claims6%
Drug classes CMS tracks in William Wegrzyn's Part D claims, 2024
- Antibiotics74%188 of 254 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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William Joseph Wegrzyn Jr. received $14 in industry payments in 2025
CMS Open Payments shows 1 general payment to William Wegrzyn from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Philips Electronics North America Corporation paid the most, $14.
Companies that paid William Wegrzyn the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for William Joseph Wegrzyn Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William Joseph Wegrzyn Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Joseph Wegrzyn Jr.'s NPI number?
William Joseph Wegrzyn Jr.'s NPI number is 1306967328. It was assigned on April 3, 2007, and it is active in the NPI Registry.
What does William Joseph Wegrzyn Jr. specialize in?
William Joseph Wegrzyn Jr. is a general practice dentistry in Westfield, Massachusetts. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does William Joseph Wegrzyn Jr. practice?
William Wegrzyn practices at 391 Montgomery St, Chicopee, MA 01020-1929. William Wegrzyn also practices at 115 W Silver St, Westfield, MA 01085. William Wegrzyn's primary practice is Wegrzyn Dental Group in Chicopee, Massachusetts. Dmand AI also links William Wegrzyn to 1 medical group.
What is William Joseph Wegrzyn Jr.'s office phone number?
The practice phone on file for William Wegrzyn is (413) 592-8099.
What is William Joseph Wegrzyn Jr.'s medical license number?
William Wegrzyn holds Massachusetts license 18137.
Has William Joseph Wegrzyn Jr. received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to William Wegrzyn from 1 company from 2025 to 2025. The largest total came from Philips Electronics North America Corporation.
How long has William Joseph Wegrzyn Jr. been practicing?
William Wegrzyn's NPI was assigned in 2007.
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